公开(公告)号：US3355001A

公开(公告)日：1967-11-28

申请号：US55048666

申请日：1966-05-16

Applicant: IBM

Inventor： REED DAVID W ,  SIMPSON VICTOR R ,  ZOLNOSKY LARRY D

IPC: B41J1/26

CPC classification number: B41J1/26

公开(公告)号：US3613856A

公开(公告)日：1971-10-19

申请号：US3613856D

申请日：1968-12-27

Applicant: IBM

Inventor： REED DAVID W

IPC: B41J1/30 ,  B41J19/04 ,  B41J33/14 ,  B41J33/58

CPC classification number: B41J1/30 ,  Y10S400/901

Abstract: In a printer having a continuously rotating flexible print wheel or disc and a hammer for impacting the print wheel into engagement with a document of the pressure-sensitive type which is backed by a platen, a flexible antiwear member is mounted to rotate with the print wheel between the print wheel and the document to reduce wear on the type characters on the print wheel.